Using a Machine Learning Approach to Classify the Degree of Forest Management

Andreas Floren () and Tobias Müller
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Andreas Floren: Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Hans-Martin-Weg 5, D-97074 Würzburg, Germany
Tobias Müller: Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany

Sustainability, 2023, vol. 15, issue 16, 1-14

Abstract: A prerequisite for sustainable forest management is knowing the total diversity and how management affects forests. Both are poorly studied and relate to canopy diversity and comparison with primary forests. From 2001–2004, we fogged beetles from oaks in primary and disturbed, managed sites in Białowieża (Eastern Poland) and also in distant age-class forests. Using a machine learning (ML) method (elastic net), we identified a beetle signature based on the species abundance distribution to distinguish these forest types. The beetle communities from 2001 served as training data, with 21 signature species correctly assigning the oaks to primary and different managed forests. However, the predictive quality of the signature decreased with each year due to high spatio-temporal heterogeneity and beta diversity. To improve the power of the signature, we combined the data from all years to calculate a more general model. Due to its greater complexity, this model identified 60 species that correctly classified both the studied forests and foreign forests in Central Europe, increasing the possibility of a general classification. Further research is needed to determine whether it is possible to establish a general signature-based index on a large number of samples from different years and forest types.

Keywords: Bia?owie?a; primary forest; canopy; fogging; beta diversity; artificial intelligence; elastic net (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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